A car travels a distance of 15 km in 20 minute.
Find the speed of the car in (i) km h-7, (ii) m s-1.
Answers
Answered by
4
Answer:
D=15km
t=20min
change minute in hour.
1 hour equal to 60 minutes
20 minute equal to .........20/60=0.3hr.....
speed equal to distance upon time
15/0.3
=. 50 kmhr
to find the distance in metre per second first change the distance and time in metre and seconds respectively.
15 km is equals to.15/1000m
and 0.3 hr equal to. 1080sec
no find the distance s*t
. =16.2m/sec
Similar questions